One of two Campbellsville firefighters who remained hospitalized after being injured during a charity event was released from University Hospital.Alex Quinn left the burn unit last week and went home Tuesday afternoon, according to Eric Johnson with Supporting Heroes.The men were helping Campbellsville University students take part in the ALS Ice Bucket Challenge when their aerial ladder got too close to a power line.Two other firefighters hurt that day have already returned to work.Captain Tony Grider remains in critical condition at University Hospital.